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36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
#include "BootSoundReader.h"
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#include "Cafe/CafeSystem.h"
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BootSoundReader::BootSoundReader(FSCVirtualFile* bootsndFile, sint32 blockSize) : bootsndFile(bootsndFile), blockSize(blockSize)
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{
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fsc_setFileSeek(bootsndFile, 0);
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fsc_readFile(bootsndFile, &muteBits, 4);
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fsc_readFile(bootsndFile, &loopPoint, 4);
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buffer.resize(blockSize / sizeof(sint16));
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bufferBE.resize(blockSize / sizeof(sint16be));
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if(blockSize % (sizeof(sint16be) * 2) != 0)
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cemu_assert_suspicious();
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// workaround: SM3DW has incorrect loop point
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const auto titleId = CafeSystem::GetForegroundTitleId();
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if(titleId == 0x0005000010145D00 || titleId == 0x0005000010145C00 || titleId == 0x0005000010106100)
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loopPoint = 113074;
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}
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sint16* BootSoundReader::getSamples()
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{
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size_t totalRead = 0;
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while(totalRead < blockSize)
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{
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auto read = fsc_readFile(bootsndFile, bufferBE.data(), blockSize - totalRead);
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if (read % (sizeof(sint16be) * 2) != 0)
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cemu_assert_suspicious();
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std::copy_n(bufferBE.begin(), read / sizeof(sint16be), buffer.begin() + (totalRead / sizeof(sint16)));
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totalRead += read;
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if (totalRead < blockSize)
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fsc_setFileSeek(bootsndFile, 8 + loopPoint * 4);
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}
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return buffer.data();
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}
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